Blasting-cartridge



UNLTED STATES 'PATENT GFF-ICE.

'ena-snodi.ricorra-PETERS, or ciNoINNL-iri, omo.

eLAsTl'Nc-GARTRIDGE.

SPEGIFICATIQN forming part of Letters Patent No. 422,440, dated March 4, 1890.

Application flied August 14, rese. serial N0.s"20,710. (Nevada) To. ,all whom z'vtjnay concern: l

Be it known that I, GnRsHon MOORE PE; 'ISI-33s, a citizen of the I'nited States, residin-gat Cincinnati, in the .county of Hamilton. and' 5 Stateof Ohio, have invented; 'certainneiv and y useful Improvements in vBlast-in gf-Cartridges; andI do declare the following to `bea full, clear, and exact description of the invention',

such as .will enable others skilled in the art y 1o to which it' appertains to make and use the sameffreference being had to the accompanying drawings, and to the letters of reference marked thereon',`wl 1ich form a part of this4 specification.

f5 My invention relates to blasting-cartridges,' and is. an improvement on the one granted f to me August 10, 1889, Serial No. 307,692. In the one above vreferred to the sealing-cap is secured to thecartridge-ca'se by seeming the vzo edges ofthe case'over the edge of the cap.

` In the one now presented the capis screw- -threaded and engages a corresponding thread Tingthe cartridge-case.

'The details of construction and assembling z5 offfthe parts will bfe hereinafter described -in ehespecication and villustrated -in the acv companying-drawings, jiu Whichy Eigure 1 .is an elevation of the cartridgeaseandlsealingfcap, and Figli! asection of o and a lower cup having a screw-threaded flange c. The separating-partition b is made y thin, so as to be easily punctured or 'cut for The. tube or case A i'spieferably madeof tin the admission of tlie blasting-barrel. Thelower cup enters the upper 'end ot' the blastend of the tube.

The tube may be secured to the inside of .the rima or iiangec Without departing from the spirit of` the invention. f The upperpart of 'plug Bextends'jaboye the top of the case,

-so it cau'be easily manipulated or screwed into or out of the tube. The vupper cup, when the blasting-barrel is inserted, isfilled with clay, tar, or miners soap,so -as to render it water-proof and at the same time act vas a tamping. g asuitable mold, which will form the vsubjectmatter of .a -separate application. It lmay, f

however, be stamped up from` lead, tin, or

'other suitable material.

The plus: er cap Bis cast in.

Having thus described my invention, vvhat -I claim, and-'desire to-secure 4 by Letters- Patent, is'---v Al. -In a blasting-cartridge, the combination, with the shell, of a Sealing-plug having al 4fianged' cup extending above the ,top and forming "an extension of --the shell and a l'oxver'iange passing down Within the shell,

said plug being-suitably secured to the shell. The .combination7 with the cartridge-case 'having a screw-threaded end, of a sealing.-

plugr having aiiange extending above the top of the ,case7 vanda iiange entering 'the upper end ofthe 'case and screw-threaded to engage the'thread of the case, as and for the purpose set forth.

' .In testimony whereof I affix my signature in presence of two (witnesses. 

